DE19712961B4 - Method relating to a device for lifting a front flap on a vehicle - Google Patents
Method relating to a device for lifting a front flap on a vehicle Download PDFInfo
- Publication number
- DE19712961B4 DE19712961B4 DE1997112961 DE19712961A DE19712961B4 DE 19712961 B4 DE19712961 B4 DE 19712961B4 DE 1997112961 DE1997112961 DE 1997112961 DE 19712961 A DE19712961 A DE 19712961A DE 19712961 B4 DE19712961 B4 DE 19712961B4
- Authority
- DE
- Germany
- Prior art keywords
- hinge
- vehicle
- front door
- collision
- front flap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 101001017827 Mus musculus Leucine-rich repeat flightless-interacting protein 1 Proteins 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
- E05D3/022—Hinges with pins with one pin allowing an additional lateral movement, e.g. for sealing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/14—Hinges with pins with two or more pins with four parallel pins and two arms
- E05D3/145—Hinges with pins with two or more pins with four parallel pins and two arms specially adapted for vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/536—Hoods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Verfahren betreffend eine Einrichtung, die bei einer Kollision eines Fahrzeugs mit einem Fußgänger eine Frontklappe (1; 101; 201) des Fahrzeugs aus ihrer geschlossenen Ausgangslage in eine angehobene Position verlagert, wobei die Frontklappe (1, 101, 201) zum normalen Öffnen über eine – in Fahrtrichtung (FR) betrachtet – hintenliegende Scharniereinrichtung (2, 102, 202) verschwenkbar ist und die Scharniereinrichtung (2, 102, 202) so ausgebildet ist, dass sie im Fall einer Kollision des Fahrzeugs mit einem Fußgänger verlagerbar ist und hierbei die Frontklappe (1, 101, 201) in ihrem hinteren Bereich anhebt, wobei die Scharniereinrichtung (2; 102; 202) einen Scharnierträger (10, 110, 210) aufweist, der gegenüber der Karosserie über eine mechanische Feder (18, 218) verlagerbar ist, wobei nach einer vorangegangenen kleineren Kollision oder Fehlauslösung die Feder (18, 218) wieder in ihre gespannte Ausgangslage zurückgeführt wird, indem die Frontklappe (1; 101; 201) von ihrer Vorderseite geöffnet wird.A method relating to a device which, in the event of a collision of a vehicle with a pedestrian, displaces a front flap (1; 101; 201) of the vehicle from its closed starting position to a raised position, the front flap (1, 101, 201) being open for normal opening - viewed in the direction of travel (FR) - rear hinge means (2, 102, 202) is pivotable and the hinge means (2, 102, 202) is designed so that it is displaceable in the event of a collision of the vehicle with a pedestrian and in this case the front door (1, 101, 201) in its rear region, wherein the hinge device (2, 102, 202) has a hinge support (10, 110, 210) which is displaceable relative to the body via a mechanical spring (18, 218), wherein after a previous smaller collision or false triggering the spring (18, 218) is returned to its tensioned starting position by the front flap (1, 101, 201) of its Front is opened.
Description
Die Erfindung bezieht sich auf ein Verfahren betreffend eine Einrichtung zum Anheben einer Frontklappe an einem Fahrzeug bei einer Kollision eines Fahrzeugs mit einem Fußgänger.The The invention relates to a method relating to a device for Lifting a front door on a vehicle in a collision a vehicle with a pedestrian.
Um
bei einer Kollision eines Fußgängers mit einem
Kraftfahrzeug das Ausmaß von
Verletzungen, insbesondere im Brust- und Kopfbereich, zu minimieren,
ist es aus der
Ferner
ist aus der
Aufgabe der Erfindung ist es, eine Möglichkeit aufzuzeigen, wie in einfacher Weise nach einer kleineren Kollision oder nach einer Fehlauslösung die Verlagerung der Frontklappe wieder rückgängig gemacht werden kann.task The invention is a possibility show how easily after a minor collision or after a false trip the Relocation of the front door can be reversed.
Diese Aufgabe wird durch das Verfahren nach Anspruch 1 gelöst. Kerngedanke ist es hierbei, wenn zur Verlagerung der Frontklappe eine mechanische Feder, z. B. eine metallische Schraubenfeder, verwendet wird, bei kleineren Kollisionen und bei Fehlauslösungen das System ohne weiteres in seine Ausgangslage zurückzubringen, indem die Feder manuell wieder in ihre gespannte Lage gebracht wird. Dies geschieht erfindungsgemäß durch einfaches Öffnen der Frontklappe von ihrer Vorderseite aus, so dass die Feder ohne weiteres wieder in ihre gespannte Lage überführt wird. Weiter von Vorteil ist hierbei, dass mechanische Federn kostengünstig herzustellen sind. Außerdem sind sie einfach im Aufbau, setzen die gespeicherte Energie innerhalb kurzer Zeit frei und sind auch nach längerem Nichtgebrauch mit hoher Wahrscheinlichkeit noch funktionsfähig. Alternativ kann das Spannen der Feder beispielsweise durch Niederdrücken der hinteren Kante der Frontklappe erfolgen.These The object is achieved by the method according to claim 1. core idea It is here, if for the displacement of the front door a mechanical Spring, z. As a metallic coil spring is used at minor collisions and in case of false triggering the system easily to return to its original position manually returning the spring to its tensioned position. This happens according to the invention by easy opening the front flap from its front, leaving the spring without Another is transferred back to their tense situation. Another advantage Here is that mechanical springs are inexpensive to manufacture. Besides, they are They just build, put the stored energy inside short time free and are also after prolonged disuse with high Probability still functional. Alternatively, the tensioning the spring, for example, by depressing the rear edge of the Front flap done.
Gemäß Anspruch 2 liegt eine Scharniereinrichtung vor, die praktisch unverändert von einem Fahrzeug mit konventioneller Anordnung der Frontklappe übernommen werden kann. Der Scharnierträger ist gelenkig an einen karosserieseitigen Befestigungsabschnitt angebunden. Im Normalbetrieb des Fahrzeugs ist der Scharnierträger gegenüber der Karosserie durch eine Verriegelungseinrichtung fixiert, so dass das Gelenk zwischen Scharnierträger und Befestigungsabschnitt außer Funktion gesetzt ist. Erst bei Erkennen einer Fußgängerkollision wird die Verriegelung gelöst und der Scharnierträger freigegeben, so dass nunmehr der Scharnierträger und mit ihm die Scharniereinrichtung gegenüber der Karosserie verschwenkbar ist. Das Gelenk zwischen dem Scharnierträger und dem Befestigungsabschnitt weist bevorzugt eine horizontale und quer zur Fahrtrichtung verlaufende Drehachse auf, die, in Fahrtrichtung betrachtet, vor der Drehachse des Frontklappenscharniers liegt. Der Abstand der Drehachsen von Scharnierträger und Frontklappenscharnier bestimmt den Radius der Kreisbahn, die der hintere Endabschnitt der Frontklappe bei einer Fußgängerkollision beschreibt (und damit den Verlagerungsweg der Frontklappe in Richtung der Hochachse des Fahrzeugs).According to claim 2 is a hinge device, which is virtually unchanged from taken over a vehicle with conventional arrangement of the front door can be. The hinge carrier is hinged to a body-side attachment section. In normal operation of the vehicle, the hinge carrier is opposite to the Body fixed by a locking device, so that the joint between hinge carrier and attachment section except Function is set. Only when a pedestrian collision is detected does the interlock become solved and the hinge bearer released, so that now the hinge carrier and with it the hinge device across from the body is swiveled. The joint between the hinge carrier and the attachment portion preferably has a horizontal and transverse to the direction of travel extending axis of rotation, which, in the direction of travel considered, lies in front of the axis of rotation of the front door hinge. The distance between the axes of rotation of the hinge carrier and the front flap hinge determines the radius of the circular path, that of the rear end section the front door in a pedestrian collision describes (and thus the displacement path of the front door in the direction the vertical axis of the vehicle).
Durch
die Zwangsführung über den
drehbar gelagerten Scharnierträger
wird ferner eine sichere Fixierung der Frontklappe an der Karosserie
erreicht. Damit kann bei einem stärkeren Aufprall des Fahrzeugs
auf ein Hindernis ein Eindringen der Frontklappe in die Windschutzscheibe
zuverlässig
verhindert werden, während
diese Gefahr beispielsweise bei einer Lösung gemäß der
Neben einer Verschwenkung des Scharnierträgers gemäß Anspruch 2 ist für die Verlagerung der Scharniereinrichtung auch die Führung über eine Kulisse möglich (Ansprüche 3 bis 5). Als Kulisse wird im Zusammenhang mit der vorliegenden Erfindung jede Einrichtung mit ineinandergreifenden Elementen bezeichnet, die eine Verlagerung der Scharniereinrichtung gegenüber der Karosserie entlang einer festgelegten Bahn ermöglicht. Durch die Kulisse kann die Richtung und die Größe der Verlagerung individuell festgelegt werden. Bevorzugt bewirkt die Kulisse eine Verschiebung der Scharniereinrichtung etwa in Richtung der Hochachse des Fahrzeugs.In addition to a pivoting of the hinge carrier according to claim 2, the leadership over a backdrop is possible for the displacement of the hinge device (claims 3 to 5). As a backdrop, in the context of the present invention, any means with interlocking elements is referred to, which allows a displacement of the hinge means relative to the body along a predetermined path. Through the scenery, the direction and size of the shift can be set individually. Preferably, the backdrop causes a displacement of the hinge device approximately in Direction of the vertical axis of the vehicle.
Die
Verlagerung der Frontklappe kann grundsätzlich durch die Krafteinwirkung
des Fußgängers auf
die Frontklappe erfolgen, wie beispielsweise in der
Grundsätzlich kann zur Verlagerung der Frontklappe auch eine Gasfeder eingesetzt werden, ebenso wie andere energiespeichernde oder energiefreisetzende Mittel (z. B. pyrotechnische Einrichtungen).Basically to shift the front door also a gas spring are used, as well like other energy-storing or energy-releasing agents (e.g. B. pyrotechnic devices).
Die Vorteile des erfindungsgemäßen Verfahrens gelten in gleicher Weise für Scharniereinrichtungen mit einfachen Drehachsen und für die weit verbreiteten Viergelenk-Scharnieranordnungen (Anspruch 6). Hierbei liegt bei einer Verschwenkbarkeit des Scharnierträgers gemäß Anspruch 2 die Drehachse des Scharnierträgers – in Fahrtrichtung betrachtet – bevorzugt vor den Anlenkpunkten der Gelenkarme des Viergelenks am Scharnierträger.The Advantages of the method according to the invention apply in the same way for Hinges with simple rotary axes and for the far widespread four-joint hinge assemblies (claim 6). in this connection lies in a pivoting of the hinge carrier according to claim 2 the axis of rotation of the hinge carrier - in the direction of travel considered - preferred in front of the articulation points of the articulated arms of the four-bar linkage on the hinge carrier.
Durch das Verfahren gemäß Anspruch 7 wird sichergestellt, dass die Verlagerung der Frontklappe abgeschlossen ist, bevor der Aufprall des Fußgängers auf die Frontklappe erfolgt. Hierdurch wird verhindert, dass die emporschnellende Frontklappe dem Fußgänger mit erhöhter Geschwindigkeit entgegenkommt und dadurch das Verletzungsrisiko erhöhen würde. Durch das erfindungsgemäße Verfahren wird sichergestellt, dass zum Zeitpunkt des Fußgängeraufpralls an der Frontklappe bereits der maximale Deformationsweg zur Verfügung steht.By the method according to claim 7 ensures that the displacement of the front door is completed is before the impact of the pedestrian on the front flap takes place. This prevents the skyrocketing Front flap with the pedestrian increased Speed and thereby the risk of injury would increase. By the inventive method Ensures that at the time of the pedestrian impact on the front door already the maximum deformation path is available.
Mögliche Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und nachfolgend näher erläutert. Es zeigt:Possible embodiments The invention are illustrated in the drawing and below explained in more detail. It shows:
Eine
Frontklappe
In
Die
Schraubenfeder
Die
Frontklappe
Bei
Erkennen einer Kollision des Fahrzeugs mit einem Fußgänger wird
mittels der oben beschriebenen Sensorik und einer nicht dargestellten
Verriegelungseinrichtung der Scharnierträger
Das
Ausführungsbeispiel
gemäß
Bei
Erkennen einer Kollision des Fahrzeugs mit einem Fußgänger wird
eine Verriegelungseinrichtung
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997112961 DE19712961B4 (en) | 1997-03-27 | 1997-03-27 | Method relating to a device for lifting a front flap on a vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997158961 DE19758961B4 (en) | 1997-03-27 | 1997-03-27 | Safety mounting for front engine cover - has rear hinges on lifting support to raise rear edge of cover in collision |
DE1997112961 DE19712961B4 (en) | 1997-03-27 | 1997-03-27 | Method relating to a device for lifting a front flap on a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19712961A1 DE19712961A1 (en) | 1998-10-01 |
DE19712961B4 true DE19712961B4 (en) | 2009-07-09 |
Family
ID=7824839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997112961 Expired - Fee Related DE19712961B4 (en) | 1997-03-27 | 1997-03-27 | Method relating to a device for lifting a front flap on a vehicle |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19712961B4 (en) |
Cited By (2)
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US20150167369A1 (en) * | 2013-12-17 | 2015-06-18 | Hyundai Motor Company | Active hood hinge device for vehicles |
CN108297942A (en) * | 2015-11-27 | 2018-07-20 | 长城汽车股份有限公司 | Pedestrian protection, hinge for engine hood assembly and automobile |
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US9366066B2 (en) * | 2013-12-17 | 2016-06-14 | Hyundai Motor Company | Active hood hinge device for vehicles |
US20160272146A1 (en) * | 2013-12-17 | 2016-09-22 | Hyundai Motor Company | Active hood hinge device for vehicles |
US9855916B2 (en) * | 2013-12-17 | 2018-01-02 | Hyundai Motor Company | Active hood hinge device for vehicles |
CN108297942A (en) * | 2015-11-27 | 2018-07-20 | 长城汽车股份有限公司 | Pedestrian protection, hinge for engine hood assembly and automobile |
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